
Chemistry Atoms First, Second Edition
2nd Edition
ISBN: 9781308211657
Author: Burdge
Publisher: McGraw Hill
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Question
Chapter 1.5, Problem 6PPB
Interpretation Introduction
Interpretation: The density of the empty container should be calculated with giving the appropriate significant figure.
Concept introduction:
Density: The density of the substance is calculated using the formula:
Significant figures: The digits having a meaning in a given number are called as significant figures.
Significant figures –calculation rules
- Significant figure is a non-zero number (4443.2 has five significant figures)
- Zeros placement in between non-zero number are significant figures (40005 has five significant figures).
- Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).
- Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).
- Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.
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Chapter 1 Solutions
Chemistry Atoms First, Second Edition
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